As DNA "barcoding" technology becomes, quicker, cheaper and easier to develop, it is expanding rapidly into many areas from uncovering frauds such as mislabelled fish and unlisted ingredients in quack herbal medicines, to revealing ancient life-forms frozen in the Arctic permafrost, and...
Genetic abnormalities are most often discussed in terms of differences so miniscule they are actually called "snips" - changes in a single unit along the 3 billion that make up the entire string of human DNA. "There's a whole world beyond SNPs - single nucleotide polymorphisms - and we've...